Na Li , Qiao Li , Yongchao Zhu , Huizhong Ma , Lan Zhang
{"title":"The effect of graphene concentration on mechanical properties of electrodeposited Al-Graphene composite coating","authors":"Na Li , Qiao Li , Yongchao Zhu , Huizhong Ma , Lan Zhang","doi":"10.1016/j.ijoes.2025.101117","DOIUrl":"10.1016/j.ijoes.2025.101117","url":null,"abstract":"<div><div>To enhance the surface hardness and strength of aluminum alloys and achieve low-temperature synthesis of aluminum-graphene composite materials, Al-Graphene composite coatings are electrodeposited on the 7075-aluminum alloy substrate from organic solvent solution system at 25 ℃ containing different graphene concentration. The morphology, microstructure and mechanical properties of Al-Graphene composite coating were characterized and reconnoitered. Al-Graphene composite coatings exhibit improved performance significantly. Under the optimal graphene concentration of 7 g L<sup>−1</sup>, Al-Graphene shows 5.1-times increase in hardness in comparison with pure Al coating. The elastic modulus has the peak value of 84.4 GPa for Al-Graphene containing 10.64 wt% graphene, which has an increment of 66.2 % compared with pure Al coating. These put down to the remarkable mechanical property of graphene. Moreover, the content and distribution of graphene play a key role in the mechanical properties of Al-Graphene. The alternating well-dispersed graphene and reduced metal layer, simultaneously keep appropriate thickness of reduced metal layer is able to achieve the optimal comprehensive mechanical property, which exhibits promising application potential in aircraft skins, automotive components, and related fields.</div></div>","PeriodicalId":13872,"journal":{"name":"International Journal of Electrochemical Science","volume":"20 10","pages":"Article 101117"},"PeriodicalIF":1.3,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144524309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ming Fang , Liangliang Hou , Xu Cheng , Junlong Wang , Shenao Ma , Pujie Zhang
{"title":"Corrigendum to “Automated electrochemical milling of complex surfaces with integrated path planning and gap control strategy” [Int. J. Electrochem. Sci. 20 (6) (2025) 101011]","authors":"Ming Fang , Liangliang Hou , Xu Cheng , Junlong Wang , Shenao Ma , Pujie Zhang","doi":"10.1016/j.ijoes.2025.101106","DOIUrl":"10.1016/j.ijoes.2025.101106","url":null,"abstract":"","PeriodicalId":13872,"journal":{"name":"International Journal of Electrochemical Science","volume":"20 9","pages":"Article 101106"},"PeriodicalIF":1.3,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144714499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Influence of arsenic on copper anode dissolution in electrorefining processes","authors":"Mahnaz Fathi, Mohammad Mokmeli, Saeed Sheibani","doi":"10.1016/j.ijoes.2025.101115","DOIUrl":"10.1016/j.ijoes.2025.101115","url":null,"abstract":"<div><div>Over the past four decades, the average arsenic content in copper anodes has increased. Arsenic is known as one of the anode components that can help prevent anode passivation. This study challenges the proposed mechanism of acid generation in a boundary layer of the passive layer and aims to expand the effect of arsenic both before and after the generation of the passive layer. The novel mechanism proposed in this study explains why samples with higher arsenic content have a higher dissolution rate before the passive layer forms. It also accounts for the longer time to passivation values observed in higher arsenic-containing anodes. The proposed mechanism also describes the passive layer dissolution rate as a function of arsenic content. The study investigated the impact of arsenic on the passivation mechanism of copper anodes at different arsenic concentrations using chronopotentiometry (CP) and contact angle experimental methods. The CP and ICP results confirm that the time to passivation increases and the electrolyte cupric concentration rises as the anode arsenic content increases from 500 to 1500 ppm. The higher dissolution rate of the anodes containing more arsenic was attributed to their fine, dendritic structure and higher wettability before the formation of the passive layer. Interestingly, the fastest dissolution rate after the formation of the passive layer was observed in the 1000 ppm arsenic sample. This was attributed to the counter effect of the electrolyte on surface accessibility caused by the passive layer microstructure and the wettability of the anode surface.</div></div>","PeriodicalId":13872,"journal":{"name":"International Journal of Electrochemical Science","volume":"20 10","pages":"Article 101115"},"PeriodicalIF":1.3,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144571271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Chethan Ram M , Mansi Gandhi , Sariga , Tom Cherian , Anitha Varghese
{"title":"Advances in electrochemical biosensing of esophageal cancer biomarkers: A comprehensive review with comparative methodological perspectives","authors":"Chethan Ram M , Mansi Gandhi , Sariga , Tom Cherian , Anitha Varghese","doi":"10.1016/j.ijoes.2025.101116","DOIUrl":"10.1016/j.ijoes.2025.101116","url":null,"abstract":"<div><div>Esophageal cancer, one of the most aggressive malignancies, often poses substantial challenges ascribed to its asymptomatic early stages and quick progression, leaving patients with few treatment options and grim survival rates. Though effective, traditional diagnostic methods remain invasive, expensive, and out of reach for many in resource-limited settings. This review explores the revolutionary potential of biosensors: molecular sleuths that detect subtle variations in biomarkers, including IL-6, CYFRA 21–1, TP53, and miRNAs like miR-204 and miR-106b. These technologies, spanning electrochemical platforms, SPR detection, fluorescence systems, and advanced chromatography, redefine early cancer detection through their precision, speed, and cost-effectiveness. The review also spotlights innovations in bio-interface engineering, including graphene-enhanced electrodes and saliva-based diagnostics, which pave the way for non-invasive, personalized healthcare. Beyond the lab, biosensors promise to democratize early detection, empowering underserved communities with accessible, point-of-care diagnostics. The convergence of biosensor technology with artificial intelligence and multiplex detection heralds a paradigm shift in oncology, transforming esophageal cancer diagnostics from reactive to proactive. Furthermore, this article envisions a future where portable, affordable, and highly sensitive biosensors are not just tools but lifelines in the global fight against cancer.</div></div>","PeriodicalId":13872,"journal":{"name":"International Journal of Electrochemical Science","volume":"20 9","pages":"Article 101116"},"PeriodicalIF":1.3,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144517140","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Qi Zuo , Meng Zhang , Ke Fu , Xiaogang Du , Zhuang Liu , Chao Lyu
{"title":"Early detection of internal short circuit faults in lithium-ion battery packs using dynamic time warping and Gaussian mixture clustering","authors":"Qi Zuo , Meng Zhang , Ke Fu , Xiaogang Du , Zhuang Liu , Chao Lyu","doi":"10.1016/j.ijoes.2025.101107","DOIUrl":"10.1016/j.ijoes.2025.101107","url":null,"abstract":"<div><div>Internal short circuit (ISC) faults are a primary trigger for thermal runaway in energy storage lithium-ion battery systems. Timely detection of ISC faults at their early stage can effectively prevent severe safety incidents, thereby ensuring the safe and stable operation of battery energy storage systems. To address this challenge, this study proposes a novel early ISC identification method for lithium-ion battery packs based on dynamic time warping (DTW) sequences and Gaussian mixture model (GMM) clustering. First, the median terminal voltage curve is derived from sorted terminal voltage measurements, serving as a reference representing the normal state of cells within the battery pack. Subsequently, sliding time windows are applied to extract subsequences of the median terminal voltage and individual cell terminal voltages. On this basis, the DTW sequences of each cell are computed and utilized as an indicator to characterize abnormal battery behavior, thereby amplifying the discrepancy between early ISC-affected cells and normal ones. Furthermore, an automatic early ISC fault detection model is developed using a GMM-based clustering algorithm to distinguish between normal and early ISC cells within the battery pack. Experimental validation and analysis under various early ISC fault scenarios with different severity levels demonstrate that the proposed method achieves accurate identification of early ISC cells when the short-circuit resistance is less than or equal to1000 Ω.</div></div>","PeriodicalId":13872,"journal":{"name":"International Journal of Electrochemical Science","volume":"20 10","pages":"Article 101107"},"PeriodicalIF":1.3,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144549963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hao Miao , Hao Yu , Heqian Wang , Jinqiao Zheng , Cong Shao , Kui Xiao
{"title":"Corrosion behavior of 7A09 aluminum alloy exposed to propylene glycol coolant at different conditions","authors":"Hao Miao , Hao Yu , Heqian Wang , Jinqiao Zheng , Cong Shao , Kui Xiao","doi":"10.1016/j.ijoes.2025.101105","DOIUrl":"10.1016/j.ijoes.2025.101105","url":null,"abstract":"<div><div>Aluminum alloys possess high strength and hardness, making them widely utilized in cooling systems. However, prolonged use can result in corrosion failure. To address the corrosion failure of 7A09 aluminum alloy in propylene glycol coolant, this study systematically investigates the synergistic effects of temperature (50–80 ℃), pH value (4–9), and Cl<sup>-</sup> concentration (30–90 mg/L) on the corrosion behavior of the aluminum alloy. A comprehensive approach was employed, integrating corrosion testing, electrochemical polarization curve measurements, surface morphology characterization via scanning electron microscopy, and surface composition analysis using X-ray photoelectron spectroscopy (XPS). The results showed that increasing temperature promotes the thermal oxidation of propylene glycol, resulting in the generation of organic acids and an exponential increase in the corrosion rate (I<sub>corr</sub> reached 3040 nA cm<sup>−2</sup> at 80 ℃). Elevated Cl<sup>-</sup> concentration significantly enhances the sensitivity of the passivation film pitting, with the corrosion current density rising by 24.3 times under 90 mg/L compared to the 30 mg/L conditions. A strongly acidic environment with pH= 4 induces acidic dissolution of the oxide film, whereas, under near-neutral conditions (pH=6–8), the aluminum passivation film synergizes with the Al<sub>2</sub>O<sub>3</sub> oxide film to effectively reduce the corrosion rate. XPS analysis further confirmed that Cl<sup>-</sup> attacks the C-O bond in propylene glycol molecules, leading to the formation of C-Cl compounds, which compromises the integrity of the protective film and accelerates localized pitting processes.</div></div>","PeriodicalId":13872,"journal":{"name":"International Journal of Electrochemical Science","volume":"20 9","pages":"Article 101105"},"PeriodicalIF":1.3,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144470712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of Beta vulgaris L. extracts as an additive on the electrodeposition of zinc on mild steel in chloride solution: coating characterization and corrosion behavior in seawater","authors":"Karima Hanini , Chabbi Kawther , Sameh Boudiba , Habiba Soltani , Louiza Boudiba , Merzoug Benahmed , Okba Louafi , Tayeb Bouarroudj , Selcuk Kucukaydin , Alfred Ngenge Tamfu","doi":"10.1016/j.ijoes.2025.101104","DOIUrl":"10.1016/j.ijoes.2025.101104","url":null,"abstract":"<div><div>Mild steel (MS), characterized by its low carbon content (0.05–0.25 %), is widely used in various industries but is vulnerable to corrosion, which limits its durability. Zinc electroplating, a well-established technique to protect MS, involves the deposition of a thin layer of zinc onto a metal substrate. This forms a corrosion-resistant zinc coating. In this study, natural phenolic extracts from <em>Beta vulgaris</em> L., specifically methanolic (ME), dichloromethane (MDE), ethyl acetate (EAE), and <em>n</em>-butanol (BE) extracts, were analyzed via HPLC-DAD and utilized as eco-friendly additives in zinc electroplating baths composed of ZnCl<sub>2</sub>, KCl, and H<sub>3</sub>BO<sub>4</sub>, to improve the quality and corrosion resistance of zinc coatings on MS. Incorporation of these extracts into the plating bath significantly improved the quality of zinc deposits. The enhanced brightness and refined surface morphology observed through scanning electron microscopy (SEM) and profilometry not only indicate the enhanced quality of the coatings but also suggest potential applications in industries where aesthetics and surface finish are important. Gravimetric corrosion tests and electrochemical evaluations, including potentiodynamic polarization (PP) and electrochemical impedance spectroscopy (EIS), demonstrated that zinc coatings formed in the presence of Beta vulgaris L. extracts exhibited remarkable corrosion resistance compared to conventional coatings. In addition, density functional theory (DFT)-based calculations were performed to investigate the adsorption behavior and chemical reactivity of the main phenolic compounds identified. Theoretical results revealed that ellagic acid exhibits the highest chemical activity, highlighting its key role in improving deposition efficiency and corrosion protection. This research underscores the potential of <em>Beta vulgaris</em> L. phenolic extracts as sustainable, natural additives for enhancing zinc electroplating processes. This offers a novel, environmentally friendly approach, addressing both performance enhancement and sustainability, and instilling hope for a more sustainable future in industrial plating processes.</div></div>","PeriodicalId":13872,"journal":{"name":"International Journal of Electrochemical Science","volume":"20 9","pages":"Article 101104"},"PeriodicalIF":1.3,"publicationDate":"2025-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144470740","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Elizabeth America Flores-Frías , Horacio Martínez-Valencia , Victor Barba-López , Jesús Baldenebro-López , Linda Lucila Landeros-Martinez
{"title":"Electrochemical and computational study of the epicatechin-3-gallate isolated from green tea leaves as a corrosion inhibitor for 1018 carbon steel in sulfuric acid","authors":"Elizabeth America Flores-Frías , Horacio Martínez-Valencia , Victor Barba-López , Jesús Baldenebro-López , Linda Lucila Landeros-Martinez","doi":"10.1016/j.ijoes.2025.101092","DOIUrl":"10.1016/j.ijoes.2025.101092","url":null,"abstract":"<div><div>Camellia sinensis has been previously studied as a green corrosion inhibitor; most studies have focused on using the extract on low-carbon steels. However, this study aims to examine epicatechin-3-gallate, isolated from the group of catechins abundant in Camellia sinensis, demonstrating its greater efficacy as a corrosion inhibitor than green tea leaf extract. The almost complete isolation of epicatechin-3-gallate is easily reproducible and inexpensive, its main advantage compared to other corrosion inhibitors: it is easy to use and obtain, non-polluting, and completely biodegradable.</div><div>The compound was characterized by FTIR, <span><math><msup><mrow></mrow><mrow><mn>1</mn></mrow></msup></math></span>H-NMR, and Gas Chromatography-Mass Spectrometry, which corroborated the isolated catechins. The results in Electrochemical Impedance Spectroscopy (EIS) highlight the pseudo-inductive effect that decreases with increasing inhibitor concentration, thus increasing the resistance to charge transfer and inhibitory effectiveness. Potentiodynamic polarization curves (PPC) show passivations at 80 and 100 ppm that continue when polarized to higher potentials. The gravimetric test (wt ) was used to determine the corrosion rate, and the values obtained were used to obtain the adsorption isotherms. It was found that the adsorption of epicatechin-3-gallate follows the Langmuir method through physisorption; this finding was confirmed by scanning electron microscopy, which highlighted the high oxygen and carbon contents in the samples at 100 ppm. The optimized structure of Epicatechin-3-gallate was obtained using Density Functional Theory (DFT). The values obtained in the HOMO and LUMO orbitals showed that the inhibitor is most likely an electron donor concerning the metallic surface. The theoretical and experimental results will facilitate the application of epicatechin-3-gallate to inhibit the corrosion of 1018 carbon steel in acidic media.</div></div>","PeriodicalId":13872,"journal":{"name":"International Journal of Electrochemical Science","volume":"20 9","pages":"Article 101092"},"PeriodicalIF":1.3,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144470711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Research on state of charge estimation of lithium battery based on adaptive forgetting factor recursive least squares and multi-innovation adaptive unscented Kalman filter","authors":"Qiao Zhang, Fengyi Wang, Qijue Zhen","doi":"10.1016/j.ijoes.2025.101103","DOIUrl":"10.1016/j.ijoes.2025.101103","url":null,"abstract":"<div><div>State of charge (SOC) estimation is critical to battery management and mileage prediction of electric vehicles. Model-based SOC estimation supply an effective solution to computation efficiency, but its accuracy highly dependent on model parameters. Three key technical contributions are made. First, the traditional model parameter identification method based on recursive least squares with forgetting factor (FFRLS) often sets its forgetting factor to be a constant during the iterative process, while disregarding estimated voltage accuracy. In this study, an adaptive forgetting factor recursive least squares method (AFFRLS) is proposed based on the adaptive theory. The core idea is that the forgetting factor is adaptively adjusted according to preset adaptive formula of the voltage error. In this way, both robustness and identification accuracy of the algorithm can be improved effectively. Second, a multi-innovation adaptive unscented Kalman filter (MIAUKF) is proposed to utilize historical voltage data and weaken the impact of voltage cumulative error on SOC accuracy. Finally, the performance of the proposed approach is evaluated by comparison simulations considering three different temperature scenarios based on two standard driving cycles. The results show that the proposed approach can obtain higher accuracy in SOC estimation with maximum relative error below 2 %.</div></div>","PeriodicalId":13872,"journal":{"name":"International Journal of Electrochemical Science","volume":"20 9","pages":"Article 101103"},"PeriodicalIF":1.3,"publicationDate":"2025-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144365676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}